1. The burglars have broken into this house twice. 2. Has the investigator examined the evidence yet? 3. The field-criminalist finished taking pictures ten minutes ago. 4. Have you ever seen a robbery? 5. Where were you at 10 o’clock yesterday? 6. The detective has already interviewed witnesses. 7. The robbers escaped in a stolen car yesterday. 8. We have just found footprints at the crime scene. 9. When did you interrogate the thief? 10. What have the thieves stolen from the safe? 11. Have the kidnappers called yet? 12. The beat officer hasn't walked the beat yet. 13. The mugger snatched the woman’s handbag when she was walking home. 14. Have you ever violated the law? 15. The police apprehended the arsonist last week.
(2) Is it usually dry in August? -Yes, it is.
(1) Is it cold today? Yes, it is. / No, it isn't
(2) Is the weather nice today? Yes, it is. / No, it isn't
(3) Are you wearing your new dress? Yes, I'm / No, I'm not
(4) Is she wearing a white blouse? Yes, she is. / No, she isn't
(5) Do they wear gloves in winter ? Yes, they do. / No, they don't
(6) Does she wear sandals in summer ? Yes, she does. / No, she doesn't
(7) Are they wearing raincoats ? Yes, they are. / No, they aren't
(8) Do they know the poem ? Yes, they do / No, they don't
(9) Do you take sweaters when you go to the South? Yes, I do / No, I don't
(10) Are you going to the South? Yes, I'm / No, I'm not